GSM移动通信知识详细介绍

黑领工薪人

GSM移动通信知识详细介绍
【文件名】:06526@52RD_GSM系郴?≈?都蚪?pdf
【格　式】:pdf
【大　小】:3894K
【简　介】:
【目　录】:Ⅰ GSM系统简介 -------------------------------------------------5 GLOBAL System for Mobiles --------------------------------------------------5 Personal communications Networks -------------------------------------------6 GSM系统和CT2、DECT的差异 -------------------------------------------------6 GSM900，DCS1800，DCS1900的差异 --------------------------------------------6 GSM的历史简述 -------------------------------------------------------------7 Ⅱ GSM网络结构与空间接口 ----------------------------------------------------7 GSM Networks ---------------------------------------------------------------7 Testing GSM ----------------------------------------------------------------8 A GSM Cell -----------------------------------------------------------------8 GSM Air Interface ----------------------------------------------------------9 0.3 GMSK Modulation --------------------------------------------------------9 TDMA and FDMA -------------------------------------------------------------10 功率控制 ------------------------------------------------------------------10 Timing Advance ------------------------------------------------------------10 GSM TDMA Power Burst ------------------------------------------------------11 Frames and Multiframes ----------------------------------------------------11 Downlink and Uplink -------------------------------------------------------12 Measuring Adjacent Cell BCH Power -----------------------------------------12 Hopping Traffic Channel ---------------------------------------------------13 III 话音编码和信道类型 -----------------------------------------------------13 Speech Coder --------------------------------------------------------------13 Error Correction ----------------------------------------------------------14 Diagonal Interleaving -----------------------------------------------------14 Multiframe ----------------------------------------------------------------15 SACCH ---------------------------------------------------------------------15 FACCH ---------------------------------------------------------------------15 RACH ----------------------------------------------------------------------15 BCH -----------------------------------------------------------------------16 SDCCH ---------------------------------------------------------------------16 SIM -----------------------------------------------------------------------17 IV 建立一个呼叫 ------------------------------------------------------------17 Mobile Call Origination ---------------------------------------------------18 GSM Knowledge ------------------------------------------------------------18 Appendix More GSM Topics --------------------------------------------------19 Logical and Physical Channels ---------------------------------------------19 Signalling Layers 1,2,3 ---------------------------------------------------19 Location Update -----------------------------------------------------------20 Mobile Call Origination ---------------------------------------------------20 Midamble and Training Bits ------------------------------------------------20 Multipath and Equalisation ------------------------------------------------21 DTX and DRX ---------------------------------------------------------------21 Page 2
GSM 系统基础介绍
Encryption ------------------------------------------------------------------21 ⅠGSM系统测量基础 ----------------------------------------------------------22 II空间RF链路的保持 --------------------------------------------------------25 III 干扰的产生 --------------------------------------------------------------31 Glossary ---------------------------------------------------------------------35 第一讲 GPRS简介 ------------------------------------------------------------36 1．1概述 -------------------------------------------------------------------36 1.2 GPRS的主要特点 ---------------------------------------------------------38 1.3 GPRS的业务 -------------------------------------------------------------38 1.4 GPRS业务的具体应用 -----------------------------------------------------40 1.5 GPRS的优势及存在问题 ---------------------------------------------------41 1.6 GPRS标准和业务的发展 ---------------------------------------------------42 第二讲 GPRS的网络结构 ------------------------------------------------------44 2.1 GPRS网络总体结构 -------------------------------------------------------44 2.2 GPRS逻辑体系结构 -------------------------------------------------------45 2.3 GPRS网络主要实体 -------------------------------------------------------47 第三讲 GPRS传输平台和信令平台 ----------------------------------------------49 3.1 传输平台 ----------------------------------------------------------------49 3.2 信令平台 ----------------------------------------------------------------51 第四讲 GPRS的高级功能 ------------------------------------------------------55 4.1 网络访问控制功能 --------------------------------------------------------55 4.2 分组选路和传输功能 ------------------------------------------------------56 4.3 移动性管理(MM)功能 ------------------------------------------------------56 4.4 逻辑链路管理功能 --------------------------------------------------------59 4.5 无线资源管理功能 --------------------------------------------------------59 4.6 网络管理功能 ------------------------------------------------------------59 第五讲 GPRS的主要接口 ------------------------------------------------------60 5.1 GPRS的无线接口Um -------------------------------------------------------60 5.2 Gb接口 ----------------------------------------------------------------66 5.3 Abis接口 ---------------------------------------------------------------67 第六讲 GPRS的计费管理 ------------------------------------------------------68 6.1 计费管理 ----------------------------------------------------------------68 6.2 计费信息 ----------------------------------------------------------------68 6.3 计费网关 ----------------------------------------------------------------68 第七讲 GPRS系统的无线网络结构 ----------------------------------------------69 7.1 GPRS无线网络结构 -------------------------------------------------------69 7.2 GPRS系统的组网 ---------------------------------------------------------70 7.3 GPRS无线组网 -----------------------------------------------------------71 7.4 GPRS骨干网组网 ---------------------------------------------------------71 第八讲 GPRS系统规划 --------------------------------------------------------72 8.1 GPRS系统容量的规划 -----------------------------------------------------73 8.2 SGSN的规划 ----------------------------------------------------------------74 8.3 GGSN的规划 -------------------------------------------------------------76 8.4 PCU的规划 --------------------------------------------------------------76 Page 3
GSM 系统基础介绍
8.5 IP地址的规划 -----------------------------------------------------------77 8.6 GPRS网络建设时需考虑的问题 ---------------------------------------------77 短消息"老中青"三代:SMS,EMS与MMS --------------------------------------------78 SMS与EMS短消息 ------------------------------------------------------------79 SMS基本概念 ----------------------------------------------------------------81 多媒体短信 MMS --------------------------------------------------------------83 一、MMS的基本概念 ----------------------------------------------------------84 二、MMS的基本特征与特点 ----------------------------------------------------88 三、MMS网络结构与工作原理 --------------------------------------------------88 四、MMS应用与操作 ----------------------------------------------------------93 五、各公司MMS解决方案 -----------------------------------------------------98 六、目前MMS存在的问题 -----------------------------------------------------101 七、MMS的未来 --------------------------------------------------------------105 八、多媒体短信MMS常见问题18条解答 ----------------------------------------107 WAP的相关问题 -------------------------------------------------------------110 附录一CHABRIDGE GSM MOBILE RF TEST SPECIFICATION ---------------------------113 附录二 VG-100 服务手册 -----------------------------------------------------116 附录三CMU200 操作手册 -----------------------------------------------------125 自动测试程序的使用说明 -----------------------------------------------------137